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SUMMARY:生物科学セミナー 第1574回/Biological Science Seminar 第
 1574回
DTSTART;VALUE=DATE-TIME:20260428T060000Z
DTEND;VALUE=DATE-TIME:20260428T073000Z
UID:204509884757
DESCRIPTION:\nHerbarium specimens are not only preserved plant materials\,
  but also records of time\, place\, and human activity. Each specimen cont
 ains information that can be revisited and reinterpreted\, particularly in
  the context of recent large-scale digitization\, which has opened new pos
 sibilities for research across fields such as ecology\, the history of sci
 ence\, and biogeography.In this talk\, I will introduce the types of infor
 mation embedded in herbarium specimens and their labels\, and discuss how 
 these data can be used in research. By integrating information on taxonomy
 \, locality\, time\, and collectors\, specimen data can be analyzed from m
 ultiple perspectives.I will present several case studies using Taiwanese c
 ollections. These include analyses of the spatial and temporal distributio
 n of specimen collection and comparisons with ecological survey data\, as 
 well as attempts to reconstruct the history of botanical exploration based
  on label information. One example is a large digital dataset developed si
 nce 2002 to reconstruct early botanical activities in Taiwan. In total\, 5
 1\,325 specimens collected before 1948 have been compiled from multiple he
 rbaria\, including 45\,755 from the National Taiwan University Herbarium (
 TAI). By integrating specimen metadata with GIS-based spatial and temporal
  analyses\, this dataset allows the reconstruction of collecting routes\, 
 geographic focus\, and research priorities of early Japanese botanists.At 
 the same time\, I will address some practical challenges. Errors in digiti
 zation and data transcription are not uncommon\, and careful verification 
 is necessary when using these data. Despite these limitations\, herbarium 
 databases provide an important foundation for both ecological and historic
 al studies.Finally\, I will briefly discuss the current status of Taiwanes
 e plant specimen databases. While domestic databases are becoming more com
 plete\, many early collections—especially those made before 1928—are s
 till housed overseas\, particularly in major institutions such as the Univ
 ersity of Tokyo and the Royal Botanic Gardens\, and have not yet been full
 y digitized and catalogued. Improving access to these materials will be an
  important task for future research.\n\n
LOCATION:理学部2号館223号室及びZoom
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